|
| Commodity | 2006 | 2007 | 2008 | 2009 |
| Hydrogen | $3,502 | | $22,752 | $378,493 |
| Argon | $96,278 | $84,696 | $66,376 | $47,024 |
| Rare gases other than argon | $2,419 | | $3,322 | $4,670 |
| Nitrogen | $19,810 | $43,087 | $2,531 | $216,360 |
| Oxygen | $69,144 | $277,844 | $306,159 | $254,700 |
| Silicon, cont. by wt. not <99.99% of silicon | | $1,334 | $45 | $46,715 |
| Silicon, cont. by wt. <99.99% of silicon | | | $116 | |
| Selenium | $3,808 | | | |
| Total | $194,961 | $406,961 | $401,301 | $947,962 |
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